Quarterly report pursuant to Section 13 or 15(d)

Information About the Company's Operating Segments - (Performance Measures) (Details)

v3.19.2
Information About the Company's Operating Segments - (Performance Measures) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Segment Reporting Information [Line Items]        
Total revenue $ 217,566 $ 233,490 $ 435,302 $ 294,694
GCI Holdings        
Segment Reporting Information [Line Items]        
Total revenue 210,979 227,781 424,190 284,573
GCI Holdings | Lease, grant, and revenue from subsidies        
Segment Reporting Information [Line Items]        
Total revenue 22,901 25,321 45,442 30,888
GCI Holdings | Consumer Revenue | Wireless        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 27,505 28,966 54,997 36,728
GCI Holdings | Consumer Revenue | Data        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 41,457 39,243 82,635 49,269
GCI Holdings | Consumer Revenue | Video        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 21,045 22,146 42,061 27,908
GCI Holdings | Consumer Revenue | Voice        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 4,321 4,710 8,782 5,878
GCI Holdings | Business Revenue | Wireless        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 19,393 21,391 37,777 26,818
GCI Holdings | Business Revenue | Data        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 63,733 76,223 131,843 94,654
GCI Holdings | Business Revenue | Video        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 3,988 3,487 7,813 4,509
GCI Holdings | Business Revenue | Voice        
Segment Reporting Information [Line Items]        
Revenue from contracts with customers 6,636 6,294 12,840 7,921
Corporate and other        
Segment Reporting Information [Line Items]        
Total revenue $ 6,587 $ 5,709 $ 11,112 $ 10,121